Security gate



FIG. 1 is a perspective view of a security gate of the presentinvention;

FIG. 2 is a front elevational view of the security gate of FIG. 1;

FIG. 3 is a right side elevational view of the security gate of FIG. 1;

FIG. 4 is a rear elevational view of the security gate of FIG. 1;

FIG. 5 is a left side elevational view of the security gate of FIG. 1;

FIG. 6 is a top plan view of the security gate of FIG. 1;

FIG. 7 is a bottom plan view of the security gate of FIG. 1;

FIG. 8 is a perspective view of the security gate of FIG. 1 in anextended position;

FIG. 9 is a front elevational view of the security gate of FIG. 1 in anextended position;

FIG. 10 is a rear elevational view of the security gate of FIG. 1 in anextended position;

FIG. 11 is a top plan view of the security gate of FIG. 1 in an extendedposition; and,

FIG. 12 is a bottom plan view of the security gate of FIG. 1 in anextended position.

The broken lines are for illustrative purposes only and form no part ofthe claimed design.

The ornamental design of a security gate, as shown and described.